20442022 has 8 divisors (see below), whose sum is σ = 30795336. Its totient is φ = 10176912.

The previous prime is 20442011. The next prime is 20442053. The reversal of 20442022 is 22024402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20441987 and 20442005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21468 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (3849417).

Almost surely, 2^20442022 is an apocalyptic number.

20442022 is a deficient number, since it is larger than the sum of its proper divisors (10353314).

20442022 is a wasteful number, since it uses less digits than its factorization.

20442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44102.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20442022 is about 4521.2854366872. The cubic root of 20442022 is about 273.4269284207.

Adding to 20442022 its reverse (22024402), we get a palindrome (42466424).

The spelling of 20442022 in words is "twenty million, four hundred forty-two thousand, twenty-two".